InChI=1/C21H18N2O4/c1-13(15-11-10-14-6-2-3-7-16(14)20(15)24)22-23-21(25)19-12-26-17-8-4-5-9-18(17)27-19/h2-11,19,24H,12H2,1H3,(H,23,25)/b22-13+/t19-/m0/s1/f/h23H	8FD6DB9B4798BA65